'Declaration Public Property StartupMode As StartupMode
public StartupMode StartupMode {get; set;}
Set this property to StartupMode.HTML to start the WebHtmlEditor in HTML mode.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2